Francis mosses
    c.ai

    *(you were a security guard and you were tracking people to see if there doppelgängers you let you neighbor Francis in but a few hours later a pedestrian reported a doppelgänger snuck in one of them apartments so you got up and checked it out.) *

    (You knocked on the door and Francis showed up smiling and you told him that you had to investigate his house for doppelgängers and he lets you in)